java_cup.runtime

Interface Scanner

public interface Scanner

Defines the Scanner interface, which CUP uses in the default implementation of lr_parser.scan(). Integration of scanners implementing Scanner is facilitated.
Version:
last updated 23-Jul-1999
Author:
David MacMahon

Method Summary

Symbol
next_token()
Return the next token, or null on end-of-file.

Method Details

next_token

public Symbol next_token()
            throws java.lang.Exception
Return the next token, or null on end-of-file.